Stuck floats are fairly common, particularly on engines used in racing applications where high G forces can cause the float to bind against the float bowl. Repairing a stuck float involves removing the float bowl to access the float, bending the float's swing arm to relieve the binding, and reassembling the carburetor. These instructions are for the popular Holley carburetors; others are similar.
Things You'll Need
- Socket wrench set
- Open end wrenches
- Carburetor bowl gaskets
Be sure the engine is cool before you begin. Remove the fuel line from the fuel inlet on the float bowl using an open end wrench.
Remove the float bowl from the carburetor body by removing the four attaching bolts. It may be necessary to tap lightly on the float bowl to loosen it.
Reach inside the float bowl, and bend the float arm to relieve any binding. Maintain at least 1/8-inch clearance between the float and the float bowl.
Reattach the float bowl to the carburetor body, using new gaskets if necessary. Be careful not to over tighten the attaching bolts; hand tighten only.
Reattach the fuel line to the carburetor.
Tips & Warnings
- It may be necessary to reset the float level after repairing the carburetor.
- Some fuel will spill out when removing the float bowl. Don't do this repair on a hot engine.
- Photo Credit Motor - Hot Rod image by Jeffrey Zalesny from Fotolia.com
How to Adjust Carburetor Floats
Your vehicles carburetor float is a vital part of the fuel system. It is the gauge which tells your carburetor how much...
How to Fix My Holley Carb That Has an Off Idle Stumble
A carburetor features many segments that allow it to function under different atmospheric and demand situations. A carburetor must have a good,...
How to Free Up a Stuck Water Valve
Stuck water valves usually occur when calcium and minerals from water build up over time and lock the valve into place. Since...
How to Troubleshoot a Holley Carburetor in a Car
Holley Fuel Systems offers a broad lineup of aftermarket carburetors for almost every type of passenger vehicle engine. Holley carburetors are some...
How to Free Up the Float in a Carburetor
You're driving along when suddenly, your vehicle chokes and sputters to a halt, starved of fuel -- or you are driving along...
How to Fix a Sticking Float in a Holley Carburetor
The float on a Holley carburetor manages the amount of fuel present in the body of the carburetor at any point, allowing...
How to Fix Briggs & Stratton Float Carburetor
Briggs & Stratton manufactures small engines for lawnmowers and landscaping equipment. Fuel flows into a bowl in a float carburetor. The float...
Signs and Symptoms of a Sticking Carburetor Float
The float in the carburetor regulates the amount of fuel or gasoline which resides in the reservoir. The reservoir of the carburetor...